Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=min_ranking&page=5221
{ "count": 60912, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=min_ranking&page=5222", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=min_ranking&page=5220", "results": [ { "id": 77557, "name": "Class C 15/7/64", "director": { "id": 912066, "username": "cp01", "country": "un", "icon": "https://user-uploads.online-go.com/de68cddd8756dc15dabf0412cd45dfe9-64.png", "ratings": { "version": 5, "overall": { "rating": 1052.5388926772162, "deviation": 96.54685520717858, "volatility": 0.06006648813563598 } }, "ranking": 16.102266201967904, "professional": false, "ui_class": "" }, "description": "Class C 15/7/64 กด Join this tournament เพื่อเช็คชื่อและเข้าแข่งขัน", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 16, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 600, "period_time": 10, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 9668, "name": "อบรมหมากล้อมออนไลน์", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 336, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2021-07-15T09:45:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-07-15T09:45:23.811661Z", "ended": "2021-07-15T11:52:14.994989Z", "start_waiting": "2021-07-15T09:45:22.973337Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 51, "ranked": true }, { "id": 98619, "name": "19x19 Open League #3", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1436.8022337254174, "deviation": 74.6393730563598, "volatility": 0.06029095737827014 } }, "ranking": 23.306887309427374, "professional": false, "ui_class": "" }, "description": "Open league for everyone. Tournament will be started as soon as 10 players will join it.\n\nPrevious winners: https://online-go.com/group/12599", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 88451, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 86400, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 12599, "name": "GO Special Tournaments", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 86, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png" }, "auto_start_on_max": true, "time_start": "2023-01-15T22:00:00Z", "players_start": 10, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2023-01-15T04:08:14.061343Z", "ended": "2023-06-29T21:11:17.258969Z", "start_waiting": "2023-01-15T04:08:13.481131Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png", "player_count": 10, "ranked": true }, { "id": 135483, "name": "CHEERFUL GO #119 Single Elimination", "director": { "id": 1220803, "username": "nobhaete", "country": "cn", "icon": "https://user-uploads.online-go.com/e840f4920c1211e712dd265d8b780926-64.png", "ratings": { "version": 5, "overall": { "rating": 2013.9606687438604, "deviation": 72.63091185335425, "volatility": 0.05977615724203503 } }, "ranking": 31.12425551835942, "professional": false, "ui_class": "" }, "description": "Hi everyone, welcome and have fun!\n\nPAUSE/ VACATION = DISQUALIFICATION! If your opponent pauses or has a vacation, or you have any question, please contact nobhaete.\n\nSingle elimination tournament every Thursday.", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "chinese", "time_per_move": 43884, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 43200, "initial_time": 86400, "max_time": 172800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 12619, "name": "Happy Go!!!", "summary": "Feel free to join and create tournaments！\nCreate tournaments = admin\n\nDouble Elimination tournaments every Sunday \nSingle Elimination tournaments every Thursday\n\nHAPPY", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 78, "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-64.png" }, "auto_start_on_max": false, "time_start": "2025-12-25T04:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 34, "analysis_enabled": true, "exclusivity": "open", "started": "2025-12-25T04:00:11.242985Z", "ended": "2026-02-28T18:12:57.503378Z", "start_waiting": "2025-12-25T04:00:11.124245Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png", "player_count": 9, "ranked": true }, { "id": 76240, "name": "summer tournament", "director": { "id": 783999, "username": "ben2bn", "country": "un", "icon": "https://user-uploads.online-go.com/3fb333c87f9c64c4f330c27a5fdb08f1-64.png", "ratings": { "version": 5, "overall": { "rating": 1399.7094268364465, "deviation": 61.697124291486034, "volatility": 0.05998021542180353 } }, "ranking": 22.701391873713675, "professional": false, "ui_class": "" }, "description": "sign up fast, check discord's news-board for more information.", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 6720, "time_control_parameters": { "system": "absolute", "time_control": "absolute", "speed": "correspondence", "pause_on_weekends": false, "total_time": 604800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 9303, "name": "ben2bn's go group", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 5, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2021-06-28T18:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2021-06-28T18:00:43.553254Z", "ended": "2021-07-25T05:15:15.591548Z", "start_waiting": "2021-06-28T18:00:43.396216Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true }, { "id": 137111, "name": "Weiqi Tournament 9x9", "director": { "id": 689547, "username": "Weiqiplayer10", "country": "un", "icon": "https://secure.gravatar.com/avatar/c635e8c49d53236c8b4e5846e82c7429?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1257.072386755707, "deviation": 65.66427381593559, "volatility": 0.06001287295318048 } }, "ranking": 20.21324959863164, "professional": false, "ui_class": "" }, "description": "Weiqi Tournament 9x9", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 95543, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "time_increment": 86400, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 16147, "name": "Practice Weiqi", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 2, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2026-02-13T16:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2026-02-13T16:00:20.063197Z", "ended": "2026-06-13T06:16:02.658832Z", "start_waiting": "2026-02-13T16:00:19.782902Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 7, "ranked": true }, { "id": 74527, "name": "เข่งขันตกปลาทู", "director": { "id": 750171, "username": "KHAE", "country": "th", "icon": "https://user-uploads.online-go.com/56d33c7e8e7ce67f73aa947fd300727b-64.png", "ratings": { "version": 5, "overall": { "rating": 1287.039113571418, "deviation": 62.03202260607443, "volatility": 0.06028614816374175 } }, "ranking": 20.758635924188564, "professional": false, "ui_class": "" }, "description": "เฉพาะปลาทูเท่านั้น", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 96960, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 86400, "initial_time": 950400, "max_time": 950400 }, "is_open": true, "exclude_provisional": true, "group": { "id": 4821, "name": "ST Maklom ", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 34, "icon": "https://user-uploads.online-go.com/ffe7b9ee7ce4f4f6cf177e21313b1429-64.png" }, "auto_start_on_max": false, "time_start": "2021-04-28T08:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 22, "analysis_enabled": true, "exclusivity": "open", "started": "2021-04-28T14:03:50.988582Z", "ended": "2021-07-26T07:22:14.874155Z", "start_waiting": "2021-04-28T14:03:50.898170Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/ffe7b9ee7ce4f4f6cf177e21313b1429-15.png", "player_count": 4, "ranked": true }, { "id": 85294, "name": "Oza Treizes Title Tournament 2022", "director": { "id": 40318, "username": "gamesorry", "country": "cn", "icon": "https://secure.gravatar.com/avatar/801cba34b77e0105326c402cc482cb09?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 2005.6088688450825, "deviation": 68.91898711531289, "volatility": 0.06015473951207492 } }, "ranking": 31.028053950463246, "professional": false, "ui_class": "supporter" }, "description": "Oza Treizes Title Tournament 2022\n\nTitle Holder:\n<a style=\"color:cyan\" href='https://online-go.com/user/view/43936/'>Sadaharu [Treizes Oza] x4</a>\n\n\nHall of Fame:\n<table style=\"text-align:center;border:1px solid\">\n<tr>\n\t<th style=\"border:1px solid\">Year</th>\n\t<th style=\"border:1px solid\">Title Match Winner</th>\n\t<th style=\"border:1px solid\">Score</th>\n\t<th style=\"border:1px solid\">Title Match Runner-up</th>\n\t<th style=\"border:1px solid\">Title Tournament Winner<img src='http://i.imgur.com/kVzSrke.png' alt='Gold'></img></th>\n\t<th style=\"border:1px solid\">Title Tournament Runner-up<img src='http://i.imgur.com/ta7bMkV.png' alt='Silver'></img></th>\n\t<th style=\"border:1px solid\">Title Tournament 3rd Place<img src='http://i.imgur.com/HtQoWtV.png' alt='Bronze'></img></th>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/9743'>2016</a></td>\n\t<td><b>Sadaharu</b></td>\n\t<td></td>\n\t<td></td>\n\t<td><b>Sadaharu (5d)</b></td>\n\t<td>hiryuu (4k)</td>\n\t<td>mark5000 (5d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/20807'>2017</a></td>\n\t<td><b>Sadaharu</b></td>\n\t<td><a href='https://online-go.com/game/13149559'>4-1</a></td>\n\t<td>Winterfell</td>\n\t<td><b>Winterfell (5d)</b></td>\n\t<td>tupelo (3d)</td>\n\t<td>gogop2016 (2d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/31472'>2018</a></td>\n\t<td><b>Sadaharu</b></td>\n\t<td><a href='https://online-go.com/game/19512589'>5-0</a></td>\n\t<td>Baklan</td>\n\t<td><b>Baklan (7d)</b></td>\n\t<td>Sadaharu (9d+)</td>\n\t<td>micky0427 (4d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/43367'>2019</a></td>\n\t<td><b>Sadaharu</b></td>\n\t<td><a href='https://online-go.com/tournament/73475'>4-1</a></td>\n\t<td>Utaha</td>\n\t<td><b>Sadaharu [8d]</b></td>\n\t<td>Utaha [1d]</td>\n\t<td>hokaw [2d]</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/54435'>2020</a></td>\n\t<td>TBA: Sadaharu</td>\n\t<td>vs</td>\n\t<td>Xaloc</td>\n\t<td><b>Xaloc [2d]</b></td>\n\t<td>找借口安静 [1d]</td>\n\t<td>tupelo [2d]</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/69270'>2021</a></td>\n\t<td></td>\n\t<td></td>\n\t<td></td>\n\t<td><b>Novakun [4d]</b></td>\n\t<td>DMITRYSIR123 [3d]</td>\n\t<td>Sadaharu [5d]</td>\n</tr>\n</table>\n\nNotes:\n- The starting time on this page is an approximation and subject to change. It will be finalized once the announcement is posted in <a href='https://online-go.com/group/515'>OGS Title Tournaments</a> group and <a href='https://forums.online-go.com/t/title-tournament-announcements/10408/'>Title Tournament Announcement</a>.\n- Bots and use of AI are prohibited in this tournament and violators will be disqualified.", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 93120, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 604800, "max_time": 604800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 515, "name": "OGS Title Tournaments", "summary": "Would you like to compete with hundreds of players in epic tournaments and become the Honinbo, Meijin, Kisei, Tianyuan, Mingren or Kuksu? Join us!", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 3017, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png" }, "auto_start_on_max": false, "time_start": "2022-03-14T09:00:00Z", "players_start": 100, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2022-03-14T08:02:35.012266Z", "ended": "2023-06-27T16:42:51.574481Z", "start_waiting": "2022-03-14T08:02:24.282831Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png", "player_count": 166, "ranked": true }, { "id": 77487, "name": "wrqetrtwe", "director": { "id": 1023102, "username": "scps00", "country": "un", "icon": "https://secure.gravatar.com/avatar/6d44cde2d6b20aba8e2a8b5951f5cdfd?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1304.2918227457508, "deviation": 240.12621952785298, "volatility": 0.05999840599104936 } }, "ranking": 21.066899228852943, "professional": false, "ui_class": "provisional" }, "description": "rewetwert", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 31, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "live", "pause_on_weekends": false, "time_increment": 30, "initial_time": 120, "max_time": 300 }, "is_open": true, "exclude_provisional": false, "group": { "id": 9646, "name": "SCPS4B", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 16, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2021-07-14T02:18:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-07-14T02:18:02.005118Z", "ended": "2021-07-14T02:31:48.654532Z", "start_waiting": "2021-07-14T02:18:01.919050Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true }, { "id": 141523, "name": "ซ้อมแข่ง ครั้งที่ 2 มปน. สู้ๆ กระดาน 9 รอบ 4 โมงเย็น", "director": { "id": 517674, "username": "KrooEkkaphong", "country": "un", "icon": "https://user-uploads.online-go.com/beb385635696d1e17761a8bb919df7a2-64.png", "ratings": { "version": 5, "overall": { "rating": 1266.5748060539227, "deviation": 68.56938252896704, "volatility": 0.060131248495397145 } }, "ranking": 20.387586207180004, "professional": false, "ui_class": "" }, "description": "พรุ่งนี้ ใครมาเช้า ครูจะ ฝึกซ้อม เตรียมแข่ง รายการ Zodiac FriendshipgAME ในวันศุกร์ ที่ 26 มิถุนายน 2569 เวลา 17.00 น.\nพรุ่งนี้ ทุกคนที่อยากแข่ง ซ้อม มารวมตัวและเข้าระบบ \n15.50 เริ่มเตรียมเข้า OGS\n16.00 เริ่มแข่ง ซ้อม ครั้งที่ 2 มปน. สู้ๆ กระดาน 9 แบบแพ้ตกรอบ ออนไลน์ หาผู้ชนะ ในครั้งนี้ เพียง 1 เดียว \nเข้า OGS แล้วมาเข้าอันนี้ไว้รอ", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 21, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "rapid", "pause_on_weekends": false, "main_time": 300, "period_time": 10, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 2276, "name": "คัดตัวนักกีฬาหมากล้อม มปน.", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 119, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2026-06-24T09:15:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": 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